Here is a riddle: .the sum of two numbers is less than 10
.it we subtract the second number from the first, the difference is greater than 3

write a system of inequalities that represents this situation. let f represent the first number and s represent the second number.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?